-(m+1)=3m

Solution for -(m+1)=3m equation:

Simplifying
-1(m + 1) = 3m

Reorder the terms:
-1(1 + m) = 3m
(1 * -1 + m * -1) = 3m
(-1 + -1m) = 3m

Solving
-1 + -1m = 3m

Solving for variable 'm'.

Move all terms containing m to the left, all other terms to the right.

Add '-3m' to each side of the equation.
-1 + -1m + -3m = 3m + -3m

Combine like terms: -1m + -3m = -4m
-1 + -4m = 3m + -3m

Combine like terms: 3m + -3m = 0
-1 + -4m = 0

Add '1' to each side of the equation.
-1 + 1 + -4m = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -4m = 0 + 1
-4m = 0 + 1

Combine like terms: 0 + 1 = 1
-4m = 1

Divide each side by '-4'.
m = -0.25

Simplifying
m = -0.25